You know that neutrons are found in the nucleus of an atom. Under normal conditions, protons and neutrons stick together in the nucleus. During radioactive decay, they may be knocked out of there. Neutron numbers are able to change the mass of atoms, because they weigh about as much as a proton and electron together.
The answer is : randomization was not used in sample selection. The major difference between experimental and quasi-experimental designs is lack of randomization in sampling selection.
Answer:
4th one is correct :)
More carbon dioxide gas would be found in Earth's atmosphere
Answer:
angiosperms have seeds that are closed within an ovary, gymnosperms have no flowers or fruits, and have unenclosed seeds on the surface of scales or leaves
You decrease the kinetic energy by either stopping the object and let it rest (which would give it potential energy) or like the other person said by changing the slope
